Match List-$I$ (Fundamental Experiment) with List-$II$ (its conclusion) and select the correct option from the choices given below the list.

List-$I$	List-$II$
$a$. Franck-Hertz Experiment	$i$. Particle nature of light
$b$. Photo-electric Experiment	$ii$. Discrete energy levels of atom
$c$. Davisson-Germer Experiment	$iii$. Wave nature of electron
	$iv$. Structure of atom

• A
  $(a)-(ii), (b)-(iv), (c)-(iii)$
• B
  $(a)-(ii), (b)-(i), (c)-(iii)$
• C
  $(a)-(iv), (b)-(iii), (c)-(ii)$
• D
  $(a)-(i), (b)-(iv), (c)-(iii)$